Compiling src.o for a 32 bit system triggers two GCC warnings:
drivers/scsi/aacraid/src.c: In function ‘aac_src_deliver_message’:
drivers/scsi/aacraid/src.c:410:3: warning: right shift count >= width of type [enabled by default]
drivers/scsi/aacraid/src.c:434:2: warning: right shift count >= width of type [enabled by default]
Silence these warnings by casting the 'address' variable (of type
dma_addr_t) to u64 on those two lines.
Signed-off-by: Paul Bolle <pebolle@xxxxxxxxxx>
---
0) Compile tested only.
1) Changing '0L' to 'OUL' might be a bit of cargo cult programming. I
doubt it's necessary. Members of that cult might also change
'0xffffffff' to '0xffffffffUL', but I didn't.
drivers/scsi/aacraid/src.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c
index 3b021ec..dfa8a37 100644
--- a/drivers/scsi/aacraid/src.c
+++ b/drivers/scsi/aacraid/src.c
@@ -407,7 +407,7 @@ static int aac_src_deliver_message(struct fib *fib)
fib->hw_fib_va->header.StructType = FIB_MAGIC2;
fib->hw_fib_va->header.SenderFibAddress = (u32)address;
fib->hw_fib_va->header.u.TimeStamp = 0;
- BUG_ON((u32)(address >> 32) != 0L);
+ BUG_ON(((u64)address >> 32) != 0UL);
address |= fibsize;
} else {
/* Calculate the amount to the fibsize bits */
@@ -431,7 +431,7 @@ static int aac_src_deliver_message(struct fib *fib)
address |= fibsize;
}
- src_writel(dev, MUnit.IQ_H, (address >> 32) & 0xffffffff);
+ src_writel(dev, MUnit.IQ_H, ((u64)address >> 32) & 0xffffffff);
src_writel(dev, MUnit.IQ_L, address & 0xffffffff);
return 0;
--
1.8.1.2
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